WO2024027478A1 - Procédé et appareil de communication et support de stockage - Google Patents

Procédé et appareil de communication et support de stockage Download PDF

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Publication number
WO2024027478A1
WO2024027478A1 PCT/CN2023/107195 CN2023107195W WO2024027478A1 WO 2024027478 A1 WO2024027478 A1 WO 2024027478A1 CN 2023107195 W CN2023107195 W CN 2023107195W WO 2024027478 A1 WO2024027478 A1 WO 2024027478A1
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WIPO (PCT)
Prior art keywords
cell
cells
measurement
reporting
drone
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PCT/CN2023/107195
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English (en)
Chinese (zh)
Inventor
李�杰
彭文杰
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华为技术有限公司
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Publication of WO2024027478A1 publication Critical patent/WO2024027478A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point

Definitions

  • the present application relates to the field of communication technology, and in particular, to a communication method, device and storage medium.
  • Unmanned aerial vehicle As a new type of aircraft, has become more and more popular due to its flexibility and convenience.
  • the communication environment of UAVs in the air is quite different from that on the ground.
  • UAVs can fly above the base station and connect to the base station through the Uu port.
  • Line of sight (LOS) path communication is mainly used, so UAVs can receive Signals to more base stations will trigger drones to report more and more frequent measurement reports.
  • the long term evolution (LTE) system has improved the reporting mechanism of drone measurement reports.
  • the number of triggering cells N has been added to the measurement configuration. N is greater than or equal to 2, which can avoid detecting a
  • the situation is reported when the community is triggered. Therefore, when there are N cells and these N cells meet the trigger conditions within the trigger time (time to trigger, TTT), the UAV sends a measurement report to the base station. If it is not measured that all N cells meet the triggering conditions within their TTT, the measurement report will not be sent to the base station, so the base station will not switch the drone to other cells, causing the handover to be too late or the unmanned link to fail ( radio link failure, RLF) situation occurs.
  • RLF radio link failure
  • the embodiments of this application disclose a communication method, device and storage medium, which can allow drones to report in a timely manner and help improve the accuracy and effectiveness of subsequent decision-making by network equipment.
  • embodiments of the present application disclose a first communication method, which includes: the drone receives the measurement configuration of the network device; when the first cell that meets the event triggering conditions is measured, the drone sends the first cell to the network device. Measurement report of the plot. It can be understood that after the drone receives the measurement configuration of the network equipment, it reports the measurement report of the first measured cell that meets the event triggering conditions, which improves the timeliness of reporting the measurement report and helps improve the accuracy of subsequent decision-making by the network equipment. rate and effectiveness.
  • the method further includes: sending measurement report sets of N second cells to the network device, and the second cells all meet the event triggering conditions.
  • the network device can decide whether to perform reconfiguration or handover based on the measurement values of each second cell in the measurement report set, which is beneficial to improving the accuracy and effectiveness of subsequent decision-making by the network device.
  • the method when the first cell that satisfies the event triggering condition is measured, the method further includes: adding the first cell to the triggering cell list; after adding the first cell to the triggering cell list, the method further includes: when the first cell is added to the triggering cell list.
  • the drone deletes the first cell from the triggering cell list. In this way, measurement reports of cells that do not meet the triggering conditions can be avoided from being reported to the network device again.
  • Some possible examples also include: the drone sends a deletion notification of the first cell to the network device; or the drone sends a measurement report of the cell in the trigger cell list to the network device.
  • the deletion notification is used to instruct the first cell to be deleted from the triggering cell list, or to indicate that the first cell does not meet the event triggering conditions, or to indicate that the drone has left the coverage of the first cell, etc. It can be understood that after the first cell in the trigger cell list is deleted, a deletion notification of the first cell can be reported to the network device to prevent the network device from switching the drone to the first cell.
  • the measurement reports of the remaining undeleted triggering cells can be reported, so that the network device can decide whether to perform reconfiguration or handover based on the currently reported triggering cells, which is beneficial to Improve the accuracy and effectiveness of subsequent decision-making by network equipment.
  • the measurement configuration also includes a first reporting duration and/or a second reporting duration; after the drone sends the measurement report of the first cell to the network device, the measurement configuration also includes: based on the first reporting duration and/or During the second reporting time, the drone sends measurement report sets of multiple second cells to the network device, and all the second cells meet the event triggering conditions. In other words, you can report to Network equipment reports measurement report sets of multiple second cells, which can avoid frequent reporting or failure to report, and improve the effectiveness of reporting.
  • the drone sends measurement report sets of multiple second cells to the network device, including: when multiple second cells are measured within the first reporting duration. Two cells, and the number of cells in the second cell is equal to N, the drone sends measurement report sets of multiple second cells to the network device; or if multiple second cells are measured within the first reporting period, and the second cell The number of cells is less than N, then when the expiration time of the first reporting duration arrives, the drone sends measurement report sets of multiple second cells to the network device. That is to say, during the (countdown) period of the first reporting period, if it is measured that the N second cells all meet the event triggering conditions, then the measurement report sets of the N second cells are immediately reported.
  • the measurement report set of these second cells that meet the triggering conditions is reported, thereby preventing the N value from being set too high. Large, causing the drone to fail to report for a long time, which can improve the effectiveness of reporting.
  • the drone sends measurement report sets of multiple second cells to the network device, including: if multiple third cells are measured within the second reporting duration. There are two cells, and the number of cells in the second cell is greater than or equal to N, then when the expiration time of the second reporting duration arrives, the drone sends multiple measurement report sets of the second cell to the network device. That is to say, during the second reporting period, if the measured number of second cells that meet the event triggering condition is greater than or equal to N, the measurement report sets of these second cells will not be reported immediately. Instead, the measurement report sets of these second cells are reported only when the expiration time of the second reporting period is reached. This can avoid setting the N value too small, causing frequent reporting by drones, and improve the effectiveness of reporting.
  • the measurement configuration also includes a measurement threshold.
  • the drone sends a measurement report of the first cell to the network device, it also includes: when multiple second cells are measured, and the measurement of multiple second cells When at least one measurement value in the report is greater than the measurement threshold, the drone sends measurement report sets of multiple second cells to the network device, and the second cells all meet the event triggering conditions.
  • the measurement report set of these second cells can be reported. After the measured number of second cells that meet the event triggering condition is equal to N, the measurement report set of these N second cells can be reported. Or the measurement may be continued until the measurement value of one cell is greater than the measurement threshold, and then the measurement report sets of these second cells that are greater than or equal to N and meet the event triggering conditions are reported.
  • the set of measurement reports of the plurality of second cells includes measurement reports of the second cells among the plurality of second cells whose measurement values are greater than the measurement threshold. It is understood that the drone may receive interference during flight, causing the measurement value measured by the drone to be smaller. Therefore, the measurement report of the second cell whose measurement value is greater than the measurement threshold is reported, so that the information of the handover-enabled cell can be reported, which can improve the efficiency of network equipment decision-making.
  • the second cell includes the first cell.
  • multiple second cells including the first cell can be reported.
  • multiple second cells excluding the first cell can also be reported, thereby providing multiple reporting methods and improving Increased reporting flexibility.
  • the measurement report set includes measurement reports of each second cell except the first cell. In this way, reporting of duplicate content can be avoided and the efficiency of network device decision-making can be improved.
  • Some possible examples also include: the drone adjusts the size of N to obtain the second trigger cell number. It can be understood that by adjusting the size of N, unreasonable network device configuration N can be avoided, which will help improve the effectiveness of reporting.
  • the UAV adjusts the size of N based on the UAV's flight height and/or flight speed to obtain the second trigger cell number, including: the UAV adjusts the size of N based on the UAV's flight height and/or flight speed. or flight speed, to obtain the scaling factor of N; the UAV uses the product of N and the scaling factor of N as the second trigger cell number.
  • adjusting the size of N through the scaling factor obtained by the flight height and/or flight speed of the drone can improve the accuracy of adjusting N, thereby avoiding the network device configuration of N being too large or too large. Small, which helps improve the effectiveness of reporting.
  • the drone before the drone receives the measurement configuration of the network device, when the flying height of the drone is greater than the altitude threshold, the drone sends the measurement report of the third cell to the network device, and the measurement report of the third cell is The report includes the altitude at which the drone was flown. It can be understood that if the flying height of the drone is greater than the height threshold, it means that the drone may be flying above the network device. Drones to network equipment Sending the measurement report of the third cell allows the network device to send the measurement configuration for the drone, so that the drone can report based on this measurement configuration, which avoids frequent reporting and improves the effectiveness of reporting.
  • embodiments of the present application disclose a second communication method, which includes: a network device sending a measurement configuration to a drone.
  • the measurement configuration includes the first trigger cell number N and event trigger conditions, where N is greater than or equal to 2; the network device Receive the measurement report of the first cell from the UAV, and the first cell is the first cell that meets the event triggering conditions after receiving the measurement configuration.
  • the drone receives the measurement configuration of the network equipment, it reports the measurement report of the first measured cell that meets the event triggering conditions, which improves the timeliness of reporting the measurement report and helps improve the accuracy of subsequent decision-making by the network equipment. and effectiveness.
  • the network device after the network device receives the measurement report of the first cell from the drone, it also includes: the network device receives the measurement report set of N second cells from the drone, and the second cells all meet the event triggering conditions. .
  • the network device receives the measurement report set of N second cells from the drone, and the second cells all meet the event triggering conditions. .
  • the network device can decide whether to perform reconfiguration or handover based on the measurement values of each second cell in the measurement report set, which is beneficial to improving the accuracy and effectiveness of subsequent decision-making by the network device.
  • the method further includes: the network device receives a deletion notification of the first cell from the drone, where the deletion notification is used to indicate that the first cell is removed from the triggering cell. Removed from the list, the cells in the triggering cell list meet the event triggering conditions when added to the triggering cell list; or the network device receives the measurement report of the cells in the triggering cell list from the drone. In this way, the network device can be prevented from switching the drone to the first cell.
  • the measurement reports of the remaining undeleted triggering cells can be reported, so that the network device can decide whether to perform reconfiguration or handover based on the currently reported triggering cells, which is beneficial to Improve the accuracy and effectiveness of subsequent decision-making by network equipment.
  • the measurement configuration also includes a first reporting duration and/or a second reporting duration, and the first reporting duration is longer than the second reporting duration; after the network device receives the measurement report of the first cell from the drone, it also includes : Based on the first reporting duration and/or the second reporting duration, the network device receives measurement report sets of multiple second cells from the drone, and the second cells all meet the event triggering conditions in the second cell.
  • the starting time of the first reporting duration and the second reporting duration is the time when it is determined that the first cell meets the event triggering condition, which can be understood as the end time of the triggering duration after measuring the first cell meeting the triggering condition.
  • the timing steps of the first reporting duration and the second reporting duration are executed simultaneously with the step of the drone sending the measurement report of the first cell to the network device.
  • the drone reports the first measured measurement report of the first cell that satisfies the event triggering condition
  • multiple measured satisfying events are reported based on the first reporting duration and/or the second reporting duration in the measurement configuration.
  • the measurement report set of the second cell triggers the condition, so that multiple measurement report sets of the second cell can be reported to the network device based on the reporting duration in the measurement configuration, which can avoid frequent reporting or failure to report, and improve the effectiveness of reporting. sex.
  • the network device receives measurement report sets of multiple second cells from the drone, including: when multiple second cells are measured within the first reporting duration. Two cells, and the number of cells in the second cell is equal to N, the network device receives measurement report sets of multiple second cells from the drone; or if multiple second cells are measured within the first reporting period, and the second cell The number of cells is less than N, then when the expiration time of the first reporting duration arrives, the network device receives measurement report sets of multiple second cells from the drone. That is to say, during the (countdown) period of the first reporting period, if it is measured that the N second cells all meet the event triggering conditions, then the measurement report sets of the N second cells are immediately reported.
  • the measurement report set of these second cells that meet the triggering conditions is reported, thereby preventing the N value from being set too high. Large, causing the drone to fail to report for a long time, which can improve the effectiveness of reporting.
  • the network device receives measurement report sets of multiple second cells from the drone, including: if multiple third cells are measured within the second reporting duration. If there are two cells, and the number of cells in the second cell is greater than or equal to N, then when the expiration time of the second reporting duration arrives, the network device receives measurement report sets of multiple second cells from the drone. That is to say, during the second reporting period, if the measured number of second cells that meet the event triggering condition is greater than or equal to N, the measurement report sets of these second cells will not be reported immediately. Instead, the measurement report sets of these second cells are reported only when the expiration time of the second reporting period is reached. This can avoid setting the N value too small, causing frequent reporting by drones, and improve the effectiveness of reporting.
  • the measurement configuration also includes a measurement threshold.
  • the network device receives the measurement report of the first cell from the drone, it also includes: when the drone measures multiple second cells, and the multiple second cells When at least one measurement value in the measurement report is greater than the measurement threshold, the network device receives measurement report sets of multiple second cells from the drone, and the second cells all meet the event triggering conditions. In this way, after the drone reports the measurement report of the first measured cell that meets the event triggering conditions, if the measured first cell that meets the event triggering conditions is The number of second cells is less than N, but if at least one measurement value in the measurement reports of these second cells is greater than the measurement threshold, then the measurement report set of these second cells can be reported.
  • the measurement report set of these N second cells can be reported. Or the measurement may be continued until the measurement value of one cell is greater than the measurement threshold, and then the measurement report sets of these second cells that are greater than or equal to N and meet the event triggering conditions are reported. Therefore, when individual cell interference affects the communication link, if the measured value of the measured cell is greater than the measurement threshold, it means that there is currently a cell that meets the handover conditions, and the measured measurement reports of multiple second cells can be reported Set, so that the information of the cells that can be switched can be reported, which can improve the efficiency of network equipment decision-making.
  • the set of measurement reports of the plurality of second cells includes measurement reports of the second cells among the plurality of second cells whose measurement values are greater than the measurement threshold. It is understood that the drone may receive interference during flight, causing the measurement value measured by the drone to be smaller. Therefore, the measurement report of the second cell whose measurement value is greater than the measurement threshold is reported, so that the information of the handover-enabled cell can be reported, which can improve the efficiency of network equipment decision-making.
  • the second cell includes the first cell.
  • multiple second cells including the first cell can be reported.
  • multiple second cells excluding the first cell can also be reported, thereby providing multiple reporting methods and improving Increased reporting flexibility.
  • the measurement report set includes measurement reports of each second cell except the first cell. In this way, reporting of duplicate content can be avoided and the efficiency of network device decision-making can be improved.
  • Some possible examples also include: when the flying height of the drone is greater than the height threshold, the network device receives a measurement report of the third cell from the drone, and the measurement report of the third cell includes the flying height of the drone; If the flight altitude is greater than the altitude threshold, perform the step of sending the measurement configuration to the drone. It can be understood that if the flying height of the drone is greater than the height threshold, it means that the drone may be flying above the network device. The drone sends the measurement report of the third cell to the network device, which allows the network device to send the measurement configuration for the drone, so that the drone can report based on this measurement configuration, which can avoid frequent reporting and improve the effectiveness of reporting. sex.
  • embodiments of the present application disclose a third communication method, including: the network device receives a measurement report of the third cell from the drone, and the measurement report of the third cell includes the flight height of the drone; if the flight height is greater than If the altitude threshold is reached, the network device sends the first measurement configuration to the drone.
  • the first measurement configuration includes a first triggering cell number N and an event triggering condition.
  • the network device receives the measurement report of the third cell from the drone, if the flying height of the drone in the measurement report is greater than the height threshold, it means that the drone may be flying above the network device, which can allow the network to The device sends the first measurement configuration for the drone, so that the drone can report based on this first measurement configuration, which can avoid frequent reporting and improve the effectiveness of reporting.
  • the method before the network device receives the measurement report of the third cell from the drone, the method further includes: the network device sends a measurement request to the drone.
  • the measurement request is used to indicate the flight altitude of the reported drone.
  • the third cell here may be a serving cell or a cell that meets event triggering conditions, or a cell with a flight altitude greater than a height threshold, or a measurable cell, etc., which are not limited here. It can be understood that after the drone receives the measurement request to report the flight altitude, it reports the measurement report of the third cell measured by it and the flight altitude of the drone, which will help improve the accuracy and effectiveness of subsequent decision-making by the network equipment.
  • the method further includes: the network device obtains the size of N based on the reporting frequency and/or the number of reporting times of measurement reports sent by the drone. It can be understood that the reporting frequency and number of reports are data from the actual use of the drone. Obtaining the size of N based on the reporting frequency and/or number of reports sent by the drone can improve the accuracy of setting N and help improve reporting. effectiveness.
  • Some possible examples also include: the network device sends the second measurement configuration to the drone; counting the number of times the drone sends measurement reports within the third reporting time; and calculating the number of reports between the number of reports and the third reporting time.
  • the divisor serves as the reporting frequency for the drone to send measurement reports.
  • the second measurement configuration is applicable to the terminal device, rather than configuration information specifically applicable to the drone. It can be understood that after the drone receives the second measurement configuration, the measurement report of the triggering cell can be sent to the network device based on the second measurement configuration, so that the network device can, based on the number of reports, when the network device does not set the number of triggering cells. and/or reporting frequency to obtain the first triggering cell number.
  • Some possible examples also include: the network device sends the third measurement configuration to the drone; the network device counts the number of times the drone sends the measurement report set within the fourth reporting time; the network device combines the number of reports with the fourth The divisor between the reporting durations is used as the reporting frequency for the UAV to send measurement reports.
  • the third measurement configuration is applicable to UAVs and may include the third triggering cell number and event triggering conditions. It can be understood that after the drone receives the third measurement configuration, the measurement report set of the triggering cell can be sent to the network device based on the third measurement configuration, so that the network device can set the number of triggering cells (the number of third triggering cells).
  • the number of trigger cells is adjusted based on the number of reports and/or the frequency of reports to obtain the first number of trigger cells. It should be noted that the fourth reporting time can be the same as the third reporting time. The chime lengths are equal or unequal.
  • the network device obtains the size of N based on the reporting frequency and/or the number of reporting times of measurement reports sent by drones, including: if the reporting frequency is less than the frequency threshold, the network device reduces the number of third triggering cells, Obtain the size of N; or if the reporting frequency is greater than the frequency threshold, the network device increases the number of third trigger cells to obtain the size of N; or if the number of reports is less than the reporting threshold, the network device decreases the number of third trigger cells to obtain N The size; or if the number of reports is greater than the reporting threshold, the network device increases the number of third triggering cells to obtain the size of N.
  • the third triggering cell number is adjusted to obtain the first triggering cell number, which can improve the accuracy of the adjustment and improve the effectiveness of the reporting. .
  • embodiments of the present application disclose a fourth communication method, which includes: the drone sends a measurement report of the third cell to the network device, and the measurement report of the third cell includes the flight height of the drone; if the flight height is greater than altitude threshold, the drone receives the first measurement configuration from the network device. It can be understood that after the drone sends the measurement report of the third cell to the network device, if the flying height of the drone in the measurement report is greater than the height threshold, it means that the drone may be flying above the network device, and the network device can The drone sends the first measurement configuration for the drone, so that the drone can report based on this first measurement configuration, which can avoid frequent reporting and improve the effectiveness of reporting.
  • the method before the drone sends the measurement report of the third cell to the network device, the method further includes: the drone receives a measurement request from the network device.
  • the measurement request is used to indicate the flight altitude of the reported drone. It can be understood that after the drone receives the measurement request to report the flight altitude, it reports the measurement report of the third cell measured by it and the flight altitude of the drone, which will help improve the accuracy and effectiveness of subsequent decision-making by the network equipment.
  • the method before the drone receives the first measurement configuration from the network device, the method further includes: the drone receives the second measurement configuration from the network device.
  • the second measurement configuration is applicable to the terminal device, rather than configuration information specifically applicable to the drone. It can be understood that after the drone receives the second measurement configuration, the measurement report of the triggering cell can be sent to the network device based on the second measurement configuration, so that the network device can, without setting the number of triggering cells, based on the number of reports and/or Or report the frequency to obtain the first triggering cell number.
  • the method before the drone receives the first measurement configuration from the network device, the method further includes: the drone receives a third measurement configuration from the network device.
  • the third measurement configuration is applicable to UAVs and may include the third triggering cell number and event triggering conditions. It can be understood that after the drone receives the third measurement configuration, the measurement report set of the triggering cell can be sent to the network device based on the third measurement configuration, so that the network device can set the triggering cell number (the third triggering cell number). In this case, the number of trigger cells is adjusted based on the number of reports and/or the frequency of reports to obtain the first number of trigger cells.
  • embodiments of the present application disclose a first communication device, including: a receiving unit configured to receive measurement configurations of network equipment, where the measurement configurations include a first triggering cell number N and event triggering conditions, where N is greater than or equal to 2; sending The unit is configured to send a measurement report of the first cell to the network device when the first cell that meets the event triggering condition is measured.
  • the sending unit is also configured to send measurement report sets of N second cells to the network device, and the second cells all meet the event triggering conditions.
  • the processing unit when the first cell that satisfies the event triggering condition is measured, the processing unit is configured to add the first cell to the triggering cell list; the processing unit is also configured to add the first cell to the triggering cell list when the first cell does not satisfy the event triggering condition.
  • the first cell is deleted from the triggering cell list.
  • the sending unit is also configured to send a deletion notification of the first cell to the network device, where the deletion notification is used to instruct the first cell to delete the first cell from the triggering cell list; or to send the measurement of the cell in the triggering cell list to the network device. Report.
  • the measurement configuration also includes a first reporting duration and/or a second reporting duration, the first reporting duration is greater than the second reporting duration, and the starting time of the first reporting duration and the second reporting duration is determined as described The time when the first cell satisfies the event triggering condition; the sending unit is also configured to send multiple measurement report sets of the second cell to the network device based on the first reporting duration and/or the second reporting duration, and the second cells all satisfy the event Triggering conditions.
  • the sending unit is configured to send a measurement report set of multiple second cells to the network device when multiple second cells are measured within the first reporting period and the number of the second cells is equal to N; Or if multiple second cells are measured within the first reporting period, and the number of second cells is less than N, then when the expiration time of the first reporting period arrives, send a measurement report set of multiple second cells to the network device. .
  • the sending unit is configured to: if multiple second cells are measured within the second reporting period and the number of the second cells is greater than or equal to N, when the expiration time of the second reporting period arrives, send The network device sends measurement report sets of multiple second cells.
  • the measurement configuration further includes a measurement threshold
  • the sending unit is further configured to report to the network when multiple second cells are measured and at least one measurement value in the measurement reports of the multiple second cells is greater than the measurement threshold.
  • the device sends measurement report sets of multiple second cells, and the second cells all meet event triggering conditions.
  • the set of measurement reports of the plurality of second cells includes measurement reports of the second cells among the plurality of second cells whose measurement values are greater than the measurement threshold.
  • the second cell includes the first cell.
  • the measurement report set includes measurement reports of each second cell except the first cell.
  • the processing unit is used to adjust the size of N to obtain the second trigger cell number.
  • the processing unit is configured to adjust the size of N based on the flight height and/or flight speed of the UAV to obtain the second trigger cell number.
  • the processing unit is configured to obtain the scaling factor of N based on the flying height and/or flying speed of the drone; and use the product of N and the scaling factor of N as the second trigger cell number.
  • the sending unit is also configured to send a measurement report of the third cell to the network device when the flying height of the drone is greater than a height threshold, and the measurement report of the third cell includes the flying height of the drone.
  • the embodiment of the present application discloses a second communication device, including: a sending unit for sending a measurement configuration to a drone, where the measurement configuration includes a first trigger cell number N and an event trigger condition, where N is greater than or equal to 2;
  • the receiving unit is configured to receive the measurement report of the first cell from the UAV.
  • the first cell is the first cell that meets the event triggering conditions after the UAV receives the measurement configuration.
  • the receiving unit is also configured to receive measurement report sets of N second cells from the drone, and the second cells all meet the event triggering conditions.
  • the receiving unit is also configured to receive a deletion notification of the first cell from the drone, and the deletion notification is used to indicate that the first cell is deleted from the triggering cell list, and the cells in the triggering cell list are added to the The event triggering condition is met when the cell list is triggered; or a measurement report of the cell in the trigger cell list is received from the drone.
  • the measurement configuration also includes a first reporting duration and/or a second reporting duration, the first reporting duration is greater than the second reporting duration, and the starting time of the first reporting duration and the second reporting duration is determined as described The time when the first cell satisfies the event triggering condition; the receiving unit is also configured to receive measurement report sets of multiple second cells from the UAV based on the first reporting duration and/or the second reporting duration, and the second cells all satisfy Event trigger conditions.
  • the receiving unit is configured to receive a measurement report set of multiple second cells from the drone when multiple second cells are measured within the first reporting period and the number of the second cells is equal to N. ; Or if multiple second cells are measured within the first reporting period, and the number of the second cells is less than N, then when the end time of the first reporting period arrives, the measurements of multiple second cells are received from the UAV. Report set.
  • the receiving unit is configured to: if multiple second cells are measured within the second reporting period, and the number of the second cells is greater than or equal to N, when the end time of the second reporting period arrives, from The UAV receives measurement report sets of multiple second cells.
  • the measurement configuration further includes a measurement threshold
  • the receiving unit is also configured to when the drone measures multiple second cells and at least one measurement value in the measurement reports of the multiple second cells is greater than the measurement threshold. , receiving measurement report sets of multiple second cells from the UAV, and the second cells all meet the event triggering conditions.
  • the set of measurement reports of the plurality of second cells includes measurement reports of the second cells among the plurality of second cells whose measurement values are greater than the measurement threshold.
  • the second cell includes the first cell.
  • the measurement report set includes measurement reports of each second cell except the first cell.
  • the receiving unit is also configured to receive a measurement report of the third cell from the drone when the flying height of the drone is greater than a height threshold, where the measurement report of the third cell includes the flying height of the drone; If the flight altitude is greater than the altitude threshold, the sending unit is called to perform the step of sending the measurement configuration to the UAV.
  • embodiments of the present application disclose a third communication device, including: a receiving unit configured to receive a measurement report of a third cell from a drone, where the measurement report of the third cell includes the flight height of the drone; and a sending unit. Used to send the first measurement configuration to the UAV if the flight altitude is greater than the altitude threshold.
  • the receiving unit is used to send a measurement request to the drone, and the measurement request is used to indicate the flight altitude of the reported drone.
  • the processing unit is configured to obtain the size of N based on the reporting frequency and/or the number of reporting times of measurement reports sent by the drone.
  • the sending unit is used to send the second measurement configuration to the drone, and the second measurement configuration is suitable for the terminal device; the processing unit is used to count the number of reporting times of the measurement report sent by the drone within the third reporting time period.
  • the starting time of the third reporting duration is the time when the UAV sends the measurement report of the first cell to the network device after receiving the second measurement configuration; the divisor between the number of reports and the third reporting duration is used as the UAV The reporting frequency of measurement reports sent by the machine.
  • the sending unit is used to send a third measurement configuration to the UAV, where the third measurement configuration includes an event trigger condition and a third trigger cell number; the processing unit is used to count the UAV within the fourth reporting time period.
  • the starting time of the fourth reporting duration is the time when the drone sends the measurement report of the first cell to the network device after receiving the third measurement configuration; combine the number of reporting times and the fourth reporting duration.
  • the divisor between them is used as the reporting frequency for the drone to send measurement reports.
  • the processing unit is configured to, if the reporting frequency is less than the frequency threshold, reduce the number of third triggering cells to obtain the size of N; or if the reporting frequency is greater than the frequency threshold, increase the number of third triggering cells, obtaining The size of N; or if the number of reports is less than the reporting threshold, reduce the number of third triggering cells to obtain the size of N; or if the number of reports is greater than the reporting threshold, increase the number of third triggering cells to obtain the size of N.
  • embodiments of the present application disclose a fourth communication device, including: a sending unit for sending a measurement report of a third cell to a network device, where the measurement report of the third cell includes the flight height of the drone; and a receiving unit. If the flight altitude is greater than the altitude threshold, the first measurement configuration is sent to the drone.
  • the receiving unit is configured to receive a measurement request from the network device, and the measurement request is used to indicate the flight height of the reported drone.
  • the sending unit is configured to receive the second measurement configuration from the network device.
  • the sending unit is configured to receive the third measurement configuration from the network device.
  • inventions of the present application disclose a fifth communication device.
  • the communication device may be a drone, or a device in the drone (for example, a chip, or a chip system, or a circuit), or it may be a device capable of A device for use with drones.
  • the communication device includes a processor, a memory and a communication interface connected to the processor.
  • the memory is used to store one or more programs and is configured to have the processor execute the steps of the first or fourth aspect.
  • the communication device may be a network device, a device in a network device (for example, a chip, a chip system, or a circuit), or a device capable of communicating with the network.
  • the device matches the device used.
  • the communication device includes a processor, a memory and a communication interface connected to the processor.
  • the memory is used to store one or more programs and is configured to allow the processor to execute the steps of the second aspect or the third aspect.
  • embodiments of the present application disclose a communication system, which includes at least one drone and at least one network device.
  • a communication system which includes at least one drone and at least one network device.
  • at least one drone and at least one network device operate in the communication system.
  • embodiments of the present application disclose a computer-readable storage medium.
  • the computer-readable storage medium stores instructions that, when run on a computer, cause the computer to execute the above-mentioned first aspect and any of its possibilities.
  • the method in the realization of the second aspect and any possible realization thereof, the third aspect and any possible realization thereof, and the fourth aspect and any possible realization thereof.
  • embodiments of the present application disclose a computer program product.
  • the computer program product is used to store computer programs.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the above-mentioned first aspect and any possible implementation thereof, the second aspect and any possible implementation thereof, the third aspect and any possible implementation thereof, and the fourth aspect. Aspects and methods in any of its possible implementations.
  • embodiments of the present application disclose a first chip, including a processor and a memory.
  • the processor is configured to call and run instructions stored in the memory, so that the device equipped with the chip executes the above first aspect and its Any possible implementation, the second aspect and any possible implementation thereof, the third aspect and any possible implementation thereof, and the method in the fourth aspect and any possible implementation thereof.
  • embodiments of the present application disclose a second chip, including: an input interface, an output interface and a processing circuit.
  • the input interface, the output interface and the processing circuit are connected through internal connection paths.
  • the processing circuit is used to execute the above-mentioned first step.
  • embodiments of the present application disclose a third chip, including: an input interface, an output interface, a processor, and optionally a memory.
  • the input interface, the output interface, the processor, and the memory are connected through internal connections.
  • the paths are connected, and the processor is used to execute the code in the memory.
  • the processor is used to execute the above-mentioned first aspect and any possible implementation thereof, the second aspect and any possible implementation thereof, and the third aspect. and any possible implementation thereof and the method in the fourth aspect and any possible implementation thereof.
  • embodiments of the present application disclose a chip system, including at least one processor, a memory and an interface circuit.
  • the memory, transceiver and at least one processor are interconnected through lines, and at least one memory stores a computer program; computer
  • the program is executed by the processor in the above first aspect and any possible implementation thereof, the second aspect and any possible implementation thereof, the third aspect and any possible implementation thereof, and the fourth aspect and any one thereof.
  • Figure 1 is a system architecture diagram of a communication system provided by an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of a drone provided in the prior art
  • Figure 3 is a schematic flow chart of the first communication method provided by the embodiment of the present application.
  • Figure 4 is a schematic flow chart of the second communication method provided by the embodiment of the present application.
  • Figure 5 is a schematic diagram of a first reporting duration and a second reporting duration provided by an embodiment of the present application
  • Figure 6 is a schematic flow chart of the third communication method provided by the embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • GSM global system for mobile communication
  • GPRS general packet radio service
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • UMTS universal mobile telecommunication system
  • 4G fourth generation (4G) mobile communication technology corresponding to the long-term evolution
  • Current communication systems such as long term evolution (LTE) system, new radio technology (NR) system corresponding to the fifth generation (5G) mobile communication technology
  • future communication systems such as the 6th Generation (sixth generation, 6G) systems, etc.
  • V2V vehicle to vehicle
  • V2I vehicle to infrastructure
  • V2P vehicle to pedestrian
  • V2N vehicle to network
  • Figure 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • the communication system It may include a terminal device 100 and a network device 200.
  • the terminal device 100 can be connected to the network device 200 through wired or wireless means, and can also be connected to the core network through the network device 200 .
  • the network device 200 may be a device used to support the terminal device 100 to access the communication system.
  • the network device 200 may include an access network device, and its main functions include: management of wireless resources, Internet Protocol (Internet Protocol) protocol, IP) header and encryption of user data streams, selection of mobile management entity (MME) when user equipment is attached, routing user plane data to service gateway (service gateway, SGW), paging message Organization and delivery, organization and delivery of broadcast messages, measurements for mobility or scheduling purposes and configuration of measurement reports, etc.
  • MME mobile management entity
  • Access network equipment may include, but is not limited to: evolved Node B (eNB), radio network controller (RNC), node B (node B, NB), base station controller (base station controller) , BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (baseband unit, BBU), wireless fidelity (wireless fidelity, WIFI)
  • eNB evolved Node B
  • RNC radio network controller
  • node B node B
  • base station controller base station controller
  • BSC base transceiver station
  • home base station for example, home evolved NodeB, or home Node B, HNB
  • baseband unit baseband unit
  • WIFI wireless fidelity
  • the gNB in the 5G system, or transmission point (TRP or TP), one or a group (including multiple antenna panels) of the base station in the 5G system, or the access network device can be called a host node, IAB host (IAB donor) ), host IAB, host or host gNB (donor gNB, DgNB), etc.
  • IAB host IAB donor
  • host IAB host or host gNB
  • donor gNB donor gNB
  • DgNB DgNB
  • it can also be a network node that constitutes a gNB or transmission point, such as a baseband unit (BBU), or a distributed unit (DU, distributed unit), etc.
  • BBU baseband unit
  • DU distributed unit
  • gNB may include centralized units (CUs) and DUs.
  • the gNB may also include a radio unit (RU).
  • CU implements some functions of gNB
  • DU implements some functions of gNB.
  • CU implements radio resource control (RRC) and packet data convergence protocol (PDCP) layer functions
  • RLC wireless chain Radio link control
  • MAC media access control
  • PHY physical (physical, PHY) layer functions. Since RRC layer information will eventually be converted into PHY layer information, or converted from PHY layer information, in this architecture, high-level signaling, such as RRC layer signaling or PDCP layer signaling, can also It is considered to be sent by DU, or sent by DU+CU.
  • the access network device may be a CU node, a DU node, or a device including a CU node and a DU node.
  • the CU can be divided into access network equipment in the access network RAN, or the CU can be divided into access network equipment in the core network CN, which is not limited here.
  • TRP is also called a transmission point, and each TRP has one or more antenna panels. Multiple TRPs can transmit data to one terminal device 100 at the same time.
  • the terminal device 100 has at least one antenna panel, and by adjusting parameters of the antenna panel, the direction of the transmit beam and/or the receive beam of the antenna panel can be changed.
  • the terminal device 100 has at least two antenna panels, the terminal can simultaneously transmit or receive beams through different antenna panels.
  • a base station or an access network is used as an example to illustrate the network device 200 .
  • the terminal device 100 may include various communication devices with wireless communication functions.
  • the terminal device may refer to user equipment, access terminals, user units, user stations, mobile stations, mobile stations, remote stations, and remote terminals.
  • the terminal device 100 may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a device with wireless Communication-enabled handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in future 5G networks or future evolved public land mobile communications networks (PLMN) terminal equipment, etc., the embodiments of this application are not limited to this.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • PLMN public land mobile communications networks
  • the terminal device 100 may include a drone.
  • Drones can also be called unmanned aerial vehicles (UAVs). Due to their flexibility and convenience, they have become more and more popular and can be used in UAV plant protection, UAV aerial photography, UAV forest fire monitoring, etc.
  • UAVs unmanned aerial vehicles
  • UAV can be a rotary-wing mobile robot or a fixed-wing mobile robot.
  • Figure 2 takes a rotor-type mobile robot as an example to illustrate the structure of a UAV.
  • a drone may include a power system, a flight control system, and a communication system.
  • the communication system in Figure 2 can realize wireless communication between the drone and the control device, where the wireless communication can be realized based on the mobile network, that is, the drone can access the mobile network through the communication system, and then use the mobile network to Perform data transfer.
  • a communication system using UAV as a terminal device can also be called an unmanned aerial system (UAS).
  • the UAS may include 1 antenna or multiple antennas.
  • the UAS may include a transmitter chain and a receiver chain, and those of ordinary skill in the art will understand that each of them may include multiple components related to signal transmission and reception (such as processors, modulators, multiplexers, demodulators , demultiplexer or antenna, etc.).
  • a UAV may be a wireless communication transmitting device and/or a wireless communication receiving device.
  • the UAS can encode the data for transmission.
  • the UAS may obtain (eg, generate, receive from other communication devices, or save in memory, etc.) a certain number of data bits to be sent over the channel to the wireless communication receiving device.
  • data bits may be contained in a transport block (or multiple transport blocks) of data, which may be segmented to produce multiple code blocks.
  • the power system is installed on the fuselage of the drone and is used to provide moving power for the drone.
  • the power system may include an electronic speed regulator (referred to as an electronic speed controller), one or more rotors (eg, propellers), and a motor that powers the propellers.
  • the motor is connected between the electronic speed regulator and the propeller, and the motor and the propeller are arranged on the corresponding machine arms.
  • Flight control systems may include flight controllers and sensing systems.
  • the flight controller is used to control the flight of the UAV.
  • the flight of the UAV can be controlled based on attitude information measured by the sensing system. It should be understood that the flight controller can control the UAV according to pre-programmed instructions, or it can control the UAV by responding to one or more control instructions from the control device.
  • the control device can be located on the ground end and can communicate with the UAV through wireless means (for example, mobile network) for remote control of the UAV.
  • the control device may be, for example, a remote control or a terminal device installed with an application (application, APP) for controlling the UAV, such as a smartphone, a tablet, etc.
  • application application, APP
  • receiving the user's input through the manipulation device may refer to operating the UAV through input devices such as pulleys, buttons, keys, joysticks on the remote control, or the user interface (UI) on the terminal device. Control.
  • the drone listed above is only an example of the terminal equipment of the present application, and the present application is not limited thereto.
  • the terminal equipment may also be an autonomous vehicle, etc.
  • Self-driving cars autonomous vehicles; self-piloting automobile
  • driverless cars computer-driven cars, or wheeled mobile robots
  • Self-driving cars rely on artificial intelligence, Visual computing, radar, surveillance devices and global positioning systems work together to allow computers to autonomously and safely operate motor vehicles without any human initiative.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction. Broadly defined wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones. Use, such as various types of smart bracelets, smart jewelry, etc. for physical sign monitoring.
  • the terminal device may also be a terminal device in the Internet of things (IoT) system.
  • IoT Internet of things
  • Its main technical feature is to transfer items through communication technology. Connect with the network to realize an intelligent network of human-computer interconnection and physical-object interconnection.
  • FIG. 1 is only a schematic diagram, and the communication system may also include other network devices not shown in FIG. 1 , such as wireless relay devices and wireless backhaul devices.
  • the embodiments of this application do not limit the number of core network equipment, access network equipment, and terminal equipment included in the communication system.
  • the terminal device 100 can communicate with multiple network devices.
  • Measurement events may include A1 measurement events, A2 measurement events, A3 measurement events, A4 measurement events and A5 measurement events applicable to terminal equipment, as well as H1 measurement events and H2 measurement events applicable to drones.
  • the trigger condition of the A1 measurement event is that the signal quality of the serving cell is higher than the threshold, which can be used to turn off the measurement function of certain cells.
  • the triggering condition of the A2 measurement event is that the signal quality of the serving cell is lower than the threshold. Usually, handover and other operations may occur after this occurs.
  • the trigger condition for the A3 measurement event is that the service quality of the same-frequency/inter-frequency neighboring cell is greater than the service quality of the serving cell.
  • the A3 measurement event can be used to decide whether the terminal device switches to the neighboring cell.
  • the triggering condition for the A4 measurement event is that the service quality of the inter-frequency neighboring cell is higher than the threshold.
  • A5 means that the service quality of the serving cell is lower than a threshold, and the service quality of the neighboring cell is higher than a threshold.
  • the triggering condition of the H1 measurement event is that the height of the UAV is higher than the threshold, and the triggering condition of the H2 measurement event is that the height of the UAV is lower than the threshold.
  • Time to trigger is used to measure whether a cell that meets or does not meet the triggering conditions meets the event triggering conditions. For example, after measuring cell A that satisfies the trigger condition, the drone can start a timer or timer (countdown) based on TTT. If cell A satisfies the triggering condition at each moment within the triggering duration, it is determined that cell A satisfies the event triggering condition. For another example, after measuring cell A that satisfies the trigger condition, the drone can start a timer or timer (countdown) based on TTT. If some moments within the trigger duration satisfy the trigger conditions and other moments do not satisfy the trigger conditions, it is determined that cell A does not satisfy the event trigger conditions.
  • the drone can start a timer or timer based on TTT (countdown). If cell A does not meet the triggering conditions at each moment within the triggering duration, it is determined that cell A does not meet the event triggering conditions.
  • the cells that meet the event triggering conditions are collected in the trigger cell list (cells trigger list), and the cells in the trigger cell list may also be called trigger cells. That is to say, when it is determined that the cell satisfies the event triggering condition, the cell determined to satisfy the event triggering condition may also be added to the triggering cell list. If the (triggering) cell in the triggering cell list is detected not to meet the event triggering conditions, it can be understood that the cell does not meet the triggering conditions at all times within the TTT after the triggering conditions are measured, and the cell will be removed from the triggering cell list. Delete the (triggered) cell.
  • the time (moment) when the cell is measured to meet the trigger conditions can be called the first start time
  • the time (moment) when the cell is measured not to meet the trigger conditions can be called the first start time.
  • the second starting time is called the first start duration of TTT
  • the first end duration of TTT is the first start time and the time sum of TTT
  • the second end duration of TTT is the second start time and the time sum of TTT. For example, it is measured that cell A meets the triggering conditions at 12:00:00 seconds. If the TTT is 5 seconds, the first start time is 12:00 minutes and 00 seconds, and the first end time is 12:00 minutes and 00 seconds + 5 Seconds, that is 12:00 minutes and 5 seconds.
  • cell A can be added to the triggering cell list at 12:00:05.
  • the second starting time is 12:01:00 seconds
  • the second ending time is 12:01:00 seconds + 5 seconds, that is, 12:01 Minutes 5 seconds. If the triggering conditions are met at every moment from 12:01:00 to 12:01:05, cell A can be deleted from the triggering cell list at 12:01:05.
  • the TTTs that satisfy the trigger conditions and those that do not satisfy the trigger conditions may be equal or unequal, and the time lengths of each cell may be equal or unequal.
  • the TTT of the serving cell may be greater than the TTT of the non-serving cell, etc.
  • the reporting conditions may be satisfied when the number of cells in the triggering cell list is greater than or equal to a threshold (for example, N, etc.), or it may be at least one cell in the triggering cell list (or when the number of cells in the triggering cell list is not met).
  • the reporting condition is met when the triggering condition is not met at each moment in the TTT after the triggering condition, or the reporting condition is met when the time threshold is reached after the first cell is added to the triggering cell list.
  • the number of triggering cells is the number of (triggering) cells that need to be satisfied for the drone configured by the network device to report the measurement report. That is to say, if the number of triggering cells is N, only when N (triggering) cells are measured and meet the event triggering conditions, the measurement reports of the N cells can be sent to the base station. If the number of cells that meet the event triggering conditions is less than N, it will not be reported.
  • UAVs The communication environment of UAVs in the air is quite different from that on the ground.
  • UAVs can fly above the base station and connect to the base station through the Uu port. Since base stations radiate electromagnetic waves toward the ground, the signals in the air are basically reflections of ground signals and beam side lobes of the base stations, resulting in weaker signals received by drones. Therefore, UAVs mainly rely on line of sight (LOS) path communication in the air. UAVs can receive more signals from base stations and trigger UAVs to report more and more frequent measurement reports.
  • LOS line of sight
  • the long term evolution (LTE) system has improved the reporting mechanism of drone measurement reports.
  • the number of triggering cells N has been added to the measurement configuration. N is greater than or equal to 2, which can avoid detecting a
  • the situation is reported when the community is triggered. Therefore, when there are N cells and these N cells meet the triggering conditions within the triggering time, the UAV sends a measurement report to the base station. If it is not measured that all N cells meet the triggering conditions within the triggering time, the measurement report will not be sent to the base station, so the base station will not switch the drone to other cells, causing the handover to be too late or the unmanned link to fail. (radio link failure, RLF) situation occurs.
  • RLF radio link failure
  • FIG. 3 is a schematic flowchart of a first communication method provided by an embodiment of the present application. This method can be applied to the communication system shown in Figure 1.
  • the functions performed by the network equipment in this application can also be performed by devices (for example, chips, or chip systems, or circuits) in the network equipment.
  • the functions performed by the drone in this application can also be performed by the devices in the drone.
  • Device for example, chip, or chip system, or circuit
  • the method includes but is not limited to the following steps S301 and S302, wherein:
  • the network device sends the measurement configuration to the drone.
  • the drone receives the measurement configuration from the network device.
  • the measurement configuration is used to indicate when the drone reports a measurement report and the content of the reported measurement report.
  • the measurement configuration may include the first triggering cell number N and event triggering conditions, etc.
  • the event triggering conditions may include the triggering duration and triggering conditions of each measurement event.
  • the first trigger cell number is the number of (trigger) cells that the drone configured by the network device needs to report measurement reports. You can refer to the description of the trigger cell number. Taking the size of the first triggering cell number as N, when there are N drones that meet the event triggering conditions, a measurement report can be sent to the network device. This application does not limit the size of N. N can be greater than or equal to 2.
  • N can be a fixed value preset by the network device, or it can also be a value adjusted by the network device and/or the drone.
  • the adjustment method can be referred to the communication method described in Figure 6 below, and the event triggering conditions can be referred to the previous or later descriptions, which will not be described again here.
  • the drone sends the measurement report of the first cell to the network device.
  • the network device receives the measurement report of the first cell from the drone.
  • the first cell is the first cell measured by the drone that meets the event triggering conditions after receiving the measurement configuration.
  • the first cell can be understood as a cell that satisfies the trigger condition at each moment within the trigger duration after the first cell is measured to satisfy the measurement configuration. It is generally considered that the first measured cell is more important and can provide effective user data, which is beneficial to the accuracy of subsequent decision-making by network equipment.
  • This application does not limit the content of the measurement report, which can be used to indicate the service quality, signal quality, signal strength, etc. of the cell in the measurement report.
  • the drone after the drone receives the measurement configuration of the network device, it reports the measurement report of the first measured cell that meets the event triggering conditions, which improves the timeliness of reporting the measurement report and is conducive to improving The accuracy and effectiveness of subsequent decision-making by network equipment.
  • the method when the first cell that satisfies the event triggering condition is measured, the method further includes: adding the first cell to the triggering cell list; after adding the first cell to the triggering cell list, the method further includes: when the first cell is added to the triggering cell list. When the cell does not meet the event triggering conditions, the first cell is deleted from the triggering cell list.
  • the triggering cell list collects the (triggering) cells that meet the event triggering conditions.
  • the (triggering) cells that meet the event triggering conditions can be added to the triggering cell list, and the (triggering) cells that do not meet the event triggering conditions can also be added.
  • the cell is deleted from the triggering cell list. Therefore, when it is determined that the first cell meets the event triggering condition, the first cell may also be added to the triggering cell list. And when it is determined that the first cell does not meet the event triggering conditions, the first cell can also be deleted from the triggering cell list, thereby avoiding reporting the measurement report of the cell that does not meet the event triggering conditions to the network device again.
  • Some possible examples also include: the drone sends a deletion notification of the first cell to the network device; or the drone sends a measurement report of the cell in the trigger cell list to the network device.
  • the network device receives the deletion notification of the first cell from the UAV; or the network device receives the measurement report of the cell in the triggered cell list from the UAV.
  • the deletion notification is used to instruct the first cell to be deleted from the triggering cell list, or to indicate that the first cell does not meet the event triggering conditions, or to indicate that the drone has left the coverage of the first cell, etc.
  • a deletion notification of the first cell can be reported to the network device to prevent the network device from switching the drone to the first cell.
  • the measurement reports of the remaining undeleted triggering cells can be reported, so that the network device can decide whether to perform reconfiguration or handover based on the currently reported triggering cells, which is beneficial to Improve the accuracy and effectiveness of subsequent decision-making by network equipment.
  • Figure 4 is a schematic flowchart of the second communication method provided by an embodiment of the present application. This communication method can be applied to the communication system shown in Figure 1. As shown in Figure 4, the communication method may include steps S401 to S403, wherein:
  • the network device sends the measurement configuration to the drone.
  • the drone sends the measurement report of the first cell to the network device.
  • step S401 and step S402 reference may be made to the description of FIG. 3 and will not be described again here.
  • the drone sends measurement report sets of multiple second cells to the network device.
  • the network device receives measurement report sets of a plurality of second cells from the drone.
  • Each of the plurality of second cells satisfies the event triggering condition. It can be understood that each second cell satisfies the triggering condition at each moment within the triggering duration after it is measured that the second cell satisfies the triggering condition.
  • This application does not limit the number of second cells, which may be less than N, equal to N, or greater than N. And multiple second cells can cover The first cell may be included, or the first cell may not be included. In this way, after reporting the measurement report of the first cell, multiple second cells excluding the first cell can be reported, and multiple second cells including the first cell can be reported, thereby providing multiple reporting methods and improving Escalation flexibility.
  • the measurement report sets of multiple second cells may include measurement reports of each second cell, or may be reported in part, for example, content that has not been reported before is reported.
  • the measurement report set of the plurality of second cells includes measurement reports of each second cell except the first cell. In this way, when multiple second cells include the first cell, measurement reports of each second cell in the multiple second cells except the first cell can be reported, thereby avoiding reporting of duplicate content and improving network equipment Decision-making efficiency.
  • the set of measurement reports of the plurality of second cells includes measurement reports of the second cells among the plurality of second cells whose measurement values are greater than the measurement threshold.
  • the measured value may include service quality, signal quality, signal strength, etc.
  • This application does not limit the size of the measurement threshold, which may be the threshold of the A4 measurement event.
  • the measurement threshold can be carried in the measurement configuration and is applicable in the case of cell interference. It is understood that the drone may receive interference during flight, causing the measurement value measured by the drone to be smaller. Therefore, the measurement report of the second cell whose measurement value is greater than the measurement threshold is reported, so that the information of the handover-enabled cell can be reported, which can improve the efficiency of network equipment decision-making.
  • Scenario 1 The drone sends measurement report sets of N second cells to the network equipment.
  • the network device receives measurement report sets of N second cells from the drone.
  • the UAV reports the first measured measurement report of the first cell that satisfies the event triggering condition, it then reports the measurement report set of N measured second cells that all meet the event triggering condition, so that The network device obtains measurement report sets of multiple second cells, so that the network device can decide whether to perform reconfiguration or handover based on the measurement values of each second cell in the measurement report set, which helps improve the accuracy and effectiveness of subsequent decision-making by the network device.
  • Scenario 2 Based on the first reporting duration and/or the second reporting duration, the drone sends multiple measurement report sets of the second cell to the network device.
  • the network device receives measurement report sets of multiple second cells from the drone.
  • the first reporting duration is longer than the second reporting duration.
  • the first reporting duration and/or the second reporting duration are carried in the measurement configuration and used to indicate the reporting time of measurement report sets of multiple second cells after the first cell.
  • the starting time of the first reporting duration and the second reporting duration is the time when it is determined that the first cell meets the event triggering condition, which can be understood as the end time of the triggering duration after measuring the first cell meeting the triggering condition. That is to say, the timing steps of the first reporting duration and the second reporting duration are executed simultaneously with the step of the drone sending the measurement report of the first cell to the network device.
  • the drone can use a timer or timer for (countdown) timing, which is not limited here.
  • the end duration of the first reporting duration is the starting time of the first reporting duration and the time and value of the first reporting duration, and the starting time of the second reporting duration and the time and value of the second reporting duration.
  • the first reporting duration as 1 minute and the second reporting duration as 30 seconds as an example, if it is determined that the time when the first cell meets the event triggering condition (the first end time of the triggering duration of the first cell) is 12:02:00 , then the starting time of the first reporting duration and the starting time of the second reporting duration are 12:02:00, the ending time of the first reporting duration is 12:3:00, and the ending time of the second reporting duration is 12:02:30.
  • step S403 may include: when multiple second cells are measured within the first reporting period and the number of second cells is equal to N, sending a measurement report set of multiple second cells to the network device. ; Or if multiple second cells are measured within the first reporting period, and the number of the second cells is less than N, then when the expiration time of the first reporting period arrives, send measurement reports of multiple second cells to the network device. set. That is to say, during the (countdown) period of the first reporting period, if it is measured that the N second cells all meet the event triggering conditions, then the measurement report sets of the N second cells are immediately reported.
  • the measurement report set of these second cells that meet the triggering conditions is reported, thereby preventing the N value from being set too high. Large, causing the drone to fail to report for a long time, which can improve the effectiveness of reporting.
  • step S403 may include: if multiple second cells are measured within the second reporting period, and the number of the second cells is greater than or equal to N, then when the end time of the second reporting period arrives, Send measurement report sets of multiple second cells to the network device. That is to say, during the second reporting period, if the measured number of second cells that meet the event triggering condition is greater than or equal to N, the measurement report sets of these second cells will not be reported immediately. Instead, the measurement report sets of these second cells are reported only when the expiration time of the second reporting period is reached. This can avoid setting the N value too small, causing frequent reporting by drones, and improve the effectiveness of reporting.
  • the drone reports the measurement report of the first cell that satisfies the event triggering condition
  • multiple measured satisfying events are reported based on the first reporting duration and/or the second reporting duration in the measurement configuration.
  • the measurement report set of the second cell triggers the condition, so that multiple measurement report sets of the second cell can be reported to the network device based on the reporting duration in the measurement configuration, which can avoid frequent reporting or failure to report, and improve the effectiveness of reporting. sex.
  • the network device receives a set of measurement reports of the multiple second cells from the drone.
  • the measurement report set of these second cells can be reported. After the measured number of second cells that meet the event triggering condition is equal to N, the measurement report set of these N second cells can be reported. Alternatively, the measurement may be continued until the measurement value of one cell is greater than the measurement threshold, and then the measured measurement report sets of the second cells that are greater than or equal to N and meet the event triggering conditions are reported.
  • this application uses the above three situations as examples, but is not limited to sending multiple second cell measurement report sets to the network device in these three situations, and these three situations can be used individually or in combination.
  • the drone reports the first measured measurement report of the first cell that meets the event triggering conditions, it reports multiple measurement report sets of the second cell to the network device, so that the network The device can decide whether to perform reconfiguration or handover based on the measurement values of each second cell in the measurement report set, which will help improve the accuracy and effectiveness of subsequent decision-making by the network device.
  • the method further includes: the drone adjusts the size of N to obtain the second trigger cell number. It can be understood that by adjusting the size of N, unreasonable network device configuration N can be avoided, which will help improve the effectiveness of reporting.
  • This application does not limit the method of adjusting N. It can be adjusted based on the measured number of second cells and the size of N. For example, if the number of second cells is greater than N, then increase the N value; the number of second cells If it is less than N, adjust the N value to a smaller value, etc. Or in some possible examples, the UAV adjusts the size of N to obtain the second trigger cell number, which may include: adjusting the size of N based on the flight height and/or flight speed of the UAV to obtain the second number of trigger cells. Number of trigger cells.
  • the size of N can be reduced, or the size of N can be increased.
  • the scaling factor of N can be obtained based on the flying height and/or flying speed of the drone; the product of the scaling factor of N and N is used as the second trigger cell number.
  • the scaling factor can be equal to the reciprocal of the sum of flight height (height) and flight speed (speed), such as 1/(height+speed).
  • the scaling factor may also be the sum of the reciprocal of the flight altitude and/or the reciprocal of the flight speed, etc., which is not limited here. In this way, during the actual flight, adjusting the size of N through the scaling factor obtained by the flight height and/or flight speed of the drone can improve the accuracy of adjusting N, thereby avoiding the network device configuration of N being too large or too large. Small, which helps improve the effectiveness of reporting.
  • it also includes: when the flying height of the drone is greater than the height threshold, receiving a measurement report of the third cell from the drone, and the measurement report of the third cell includes the flying height of the drone; if flying If the height is greater than the height threshold, perform the step of sending the measurement configuration to the drone.
  • the flying height of the drone is greater than the height threshold, it means that the drone may be flying above the network device.
  • the drone sends the measurement report of the third cell to the network device, which allows the network device to send the measurement configuration for the drone, so that the drone can report based on this measurement configuration, which can avoid frequent reporting and improve the effectiveness of reporting. sex.
  • Figure 6 is a schematic flowchart of a third communication method provided by an embodiment of the present application. This communication method can be applied to the communication system shown in Figure 1. As shown in Figure 6, the communication method may include step S601 and step S602, wherein:
  • the drone sends the measurement report of the third cell to the network device.
  • the network device receives the measurement report of the third cell from the drone.
  • the third cell may be a cell that satisfies the triggering conditions of other measurement events, or the flight height of the UAV is greater than a height threshold. value of any cell.
  • the method before step S601, the method further includes: the drone determines that the flying height of the drone is greater than a height threshold.
  • This application does not limit the height threshold, which can be the threshold of the H1 measurement event or other thresholds. It can be understood that if the flying height of the drone is greater than the height threshold, it means that the drone may be flying above the network device.
  • the drone sends the measurement report of the third cell to the network device, which allows the network device to send the measurement configuration for the drone, so that the drone can report based on this measurement configuration, which can avoid frequent reporting and improve the effectiveness of reporting. sex.
  • step S601 it also includes: the network device sends a measurement request to the drone.
  • the drone receives the measurement report of the third cell from the network device.
  • the measurement report of the third cell may include the flight altitude of the drone.
  • the measurement request is used to indicate the flight height of the reported drone.
  • the third cell here can be the serving cell or a cell that meets the trigger conditions within its trigger duration, or a cell with a flight height greater than the height threshold, or a measurable cell. etc., no limitation is made here. It can be understood that after the drone receives the measurement request to report the flight altitude, it reports the measurement report of the third cell measured by it and the flight altitude of the drone, which will help improve the accuracy and effectiveness of subsequent decision-making by the network equipment.
  • the network device sends the first measurement configuration to the drone.
  • the drone receives the first measurement configuration from the network device.
  • the first measurement configuration may refer to the measurement configuration described in Figures 3 and 4, including the first triggering cell number N and event triggering conditions, etc., which will not be described again here.
  • the first measurement configuration may be a measurement configuration suitable for the drone or may be a measurement configuration related to the flight height of the drone.
  • the network device after the network device receives the measurement report of the third cell from the drone, if the flight height of the drone in the measurement report is greater than the height threshold, it means that the drone may be in the network device.
  • the network device can send the first measurement configuration for the drone, so that the drone can report based on this first measurement configuration, which can avoid frequent reporting and improve the effectiveness of reporting.
  • This application does not limit the method by which the network device obtains the size of the N value in the first measurement configuration. It can be determined based on the flight height of the drone, or it can be determined based on the flight speed of the drone, or in some possible In an example, this may include: obtaining the size of N based on the reporting frequency and/or the number of reporting times of measurement reports sent by the drone. It can be understood that the reporting frequency and number of reports are data from the actual use of the drone. Obtaining the size of N based on the reporting frequency and/or number of reports sent by the drone can improve the accuracy of setting N and help improve reporting. effectiveness.
  • This application does not limit the method of obtaining the reporting frequency and/or the number of reporting times for measurement reports sent by drones.
  • Method 1 in which the number of triggering cells is not set before step S601 can be used and/or the number of triggering cells has been set before step S601.
  • Method 1 The network device sends the second measurement configuration to the drone; the number of times the drone sends measurement reports is counted within the third reporting time; the divisor between the number of reports and the third reporting time is used as the number of drones sent Frequency of reporting measurement reports.
  • the drone receives the second measurement configuration from the network device.
  • the second measurement configuration is applicable to the terminal device, rather than configuration information specifically applicable to the drone.
  • the second measurement configuration may include content corresponding to the aforementioned A1 measurement event, A2 measurement event, A3 measurement event, A4 measurement event, and A5 measurement event.
  • the third reporting duration is a duration configured by the network device, which is used to measure the reporting frequency and/or number of reporting times for drones to send measurement reports.
  • the starting time of the third reporting duration may be the reception time of the first measurement report reported by the drone after the network device sends the second measurement configuration. That is to say, the starting time of the third reporting period may be the time when the drone sends the measurement report of the first cell to the network device after receiving the second measurement configuration.
  • the network device starts (counting down) when it receives the measurement report of the first cell reported by the drone, and counts the number of times the drone reported the measurement report to the network device within the third reporting period, so that the report can be
  • the divisor between the number of times and the third reporting duration is used as the reporting frequency for the UAV to send measurement reports. In this way, when the network device does not set the number of trigger cells, the size of N can be obtained based on the number of reports and/or the frequency of reports.
  • Method 2 The network device sends the third measurement configuration to the drone; the number of times the drone sends the measurement report set is counted within the fourth reporting time; the divisor between the number of reports and the fourth reporting time is used as the UAV The reporting frequency for sending measurement reports.
  • the drone receives the third measurement configuration from the network device.
  • the third measurement configuration is applicable to UAVs and may include the third triggering cell number and event triggering conditions.
  • the event triggering condition may refer to the foregoing description, for example, the description in the first measurement configuration, and will not be described again here.
  • the third triggering cell number is the number of triggering cells configured by the network device before step S601.
  • the first triggering cell number can be understood as the value obtained after adjusting the third triggering cell number.
  • Fourth up The reporting duration is a length of time configured by the network device, which is used to measure the reporting frequency and/or number of reporting times for drones to send measurement reports.
  • the starting time of the fourth reporting duration may be the time when the drone sends the measurement report of the first cell to the network device after receiving the third measurement configuration.
  • the network device starts (counting down) when it receives the measurement report of the first cell reported by the drone, and counts the number of times the drone reports the measurement report set to the network device within the fourth reporting period, so that the measurement report set can be counted.
  • the divisor between the number of reports and the fourth report duration is used as the reporting frequency for the UAV to send measurement reports. In this way, when the network device has set the number of trigger cells (the third number of trigger cells), the number of trigger cells can be adjusted based on the number of reports and/or the frequency of reports to obtain the first number of trigger cells.
  • the first method counts the data of the cell's measurement report.
  • the second method refers to the reporting method of the first measurement configuration and counts the data of the cell's measurement report set.
  • the number of cells in each reported measurement report set is Can be 1 or more.
  • the fourth reporting period may be equal to or different from the third reporting period.
  • obtaining the size of N based on the reporting frequency and/or the number of reporting times of measurement reports sent by drones includes: if the reporting frequency is less than the frequency threshold, then reducing the number of third triggering cells to obtain the size of N ; Or if the reporting frequency is greater than the frequency threshold, increase the number of third trigger cells to obtain the size of N; or if the number of reports is less than the reporting threshold, decrease the number of third trigger cells to obtain the size of N; or if the number of reports is greater than If the threshold is reported, the number of third triggering cells is increased to obtain the size of N.
  • This application does not limit the frequency threshold or reporting threshold, nor does it limit the reduction or increase in the number of third triggering cells. It can be reduced by 1 or increased by 1 or other values, or can be reduced by half or increased by half, etc. In this way, based on the frequency threshold and/or reporting threshold, and the actual situation of the measurement report reported by the drone, the third triggering cell number is adjusted to obtain the first triggering cell number, which can improve the accuracy of the adjustment and improve the effectiveness of the reporting. .
  • the communication device 700 may include a receiving unit 701 , a sending unit 702 and a processing unit 703 .
  • the receiving unit 701 may be a device having an input (reception) of a signal
  • the transmitting unit 702 may be a device having an output (transmission) of a signal.
  • the receiving unit 701 and the sending unit 702 are both used to transmit signals with other network devices or other devices in the device.
  • the receiving unit 701 may also be called a receiver, a receiver, a receiving circuit, etc.
  • the sending unit 702 may be called a transmitter, a transmitter, a transmitting circuit, etc.
  • the above-mentioned receiving unit and sending unit may be one unit integrated together, or may be multiple independent units.
  • the above-mentioned receiving unit and sending unit may be located in one geographical location, or may be dispersed in multiple geographical locations.
  • the processing unit 703 may be a device with processing functions, and may include one or more processors.
  • the processor may be a general-purpose processor or a special-purpose processor, etc.
  • the processor may be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processor can be used to control devices (such as host nodes, relay nodes or chips, etc.), execute software programs, and process data of software programs.
  • the communication device 700 can be a drone or a network device.
  • the communication device 700 can be divided into the following four types according to the information reporting and information configuration methods.
  • the communication device 700 is a drone, and the receiving unit 701 is used to receive the measurement configuration of the network equipment.
  • the measurement configuration includes the first trigger cell number N and the event trigger condition, and N is greater than or equal to 2; the sending unit 702 is used to When the first cell that meets the event triggering condition is measured, a measurement report of the first cell is sent to the network device.
  • the sending unit 702 is also configured to send measurement report sets of N second cells to the network device, and the second cells all meet the event triggering conditions.
  • the processing unit 703 is configured to add the first cell to the triggering cell list; the processing unit 703 is also configured to delete the first cell from the triggering cell list when the first cell does not meet the event triggering condition.
  • the sending unit 702 is also configured to send a deletion notification of the first cell to the network device, where the deletion notification is used to instruct the first cell to delete the first cell from the triggering cell list; or to send the deletion notification of the cell in the triggering cell list to the network device. measurement report.
  • the measurement configuration also includes a first reporting duration and/or a second reporting duration, the first reporting duration is greater than the second reporting duration, and the starting time of the first reporting duration and the second reporting duration is to determine the first The time when the cell satisfies the event triggering condition; the sending unit 702 is also configured to send measurement report sets of multiple second cells to the network device based on the first reporting duration and/or the second reporting duration, and the second cells all satisfy the event triggering condition.
  • the sending unit 702 is configured to measure multiple second cells within the first reporting period, and the second cell has When the number of zones is equal to N, the measurement report set of multiple second cells is sent to the network device; or if multiple second cells are measured within the first reporting period, and the number of the second cells is less than N, then when the first reporting time is When the expiration time of the duration reaches, multiple measurement report sets of the second cell are sent to the network device.
  • the sending unit 702 is configured to, if multiple second cells are measured within the second reporting period, and the number of the second cells is greater than or equal to N, then when the expiration time of the second reporting period arrives, Send measurement report sets of multiple second cells to the network device.
  • the measurement configuration further includes a measurement threshold
  • the sending unit 702 is further configured to: when multiple second cells are measured and at least one measurement value in the measurement reports of the multiple second cells is greater than the measurement threshold, The network device sends measurement report sets of multiple second cells, and the second cells all meet event triggering conditions.
  • the set of measurement reports of the plurality of second cells includes measurement reports of the second cells among the plurality of second cells whose measurement values are greater than the measurement threshold.
  • the second cell includes the first cell.
  • the measurement report set includes measurement reports of each second cell except the first cell.
  • the processing unit 703 is used to adjust the size of N to obtain the second trigger cell number.
  • the processing unit 703 is configured to adjust the size of N based on the flight height and/or flight speed of the drone to obtain the second trigger cell number.
  • the processing unit 703 is configured to obtain the scaling factor of N based on the flying height and/or flying speed of the drone; and use the product of N and the scaling factor of N as the second trigger cell number.
  • the sending unit 702 is also configured to send a measurement report of the third cell to the network device when the flying height of the drone is greater than a height threshold, where the measurement report of the third cell includes the flying height of the drone.
  • the communication device 700 is a network device.
  • the sending unit 702 is used to send the measurement configuration to the UAV.
  • the measurement configuration includes the first trigger cell number N and the event trigger condition. N is greater than or equal to 2; the receiving unit 701 is used to send the measurement configuration from the UAV.
  • the UAV receives the measurement report of the first cell, and the first cell is the first cell that meets the event triggering conditions after receiving the measurement configuration.
  • the receiving unit 701 is also configured to receive measurement report sets of N second cells from the drone, and the second cells all meet the event triggering conditions.
  • the receiving unit 701 is also configured to receive a deletion notification of the first cell from the UAV.
  • the deletion notification is used to indicate that the first cell is deleted from the triggering cell list.
  • the cells in the triggering cell list are added to the triggering cell list.
  • the event triggering conditions are met when the cell list is in progress; or the measurement report of the cells in the triggering cell list is received from the drone.
  • the measurement configuration also includes a first reporting duration and/or a second reporting duration, the first reporting duration is greater than the second reporting duration, and the starting time of the first reporting duration and the second reporting duration is to determine the first The time when the cell meets the event triggering conditions; the receiving unit 701 is also used to receive measurement report sets of multiple second cells from the UAV based on the first reporting duration and/or the second reporting duration, and the second cells all meet the event triggering conditions. .
  • the receiving unit 701 is configured to receive measurement reports of multiple second cells from the UAV when multiple second cells are measured within the first reporting period and the number of the second cells is equal to N. set; or if multiple second cells are measured within the first reporting period, and the number of the second cells is less than N, then when the end time of the first reporting period arrives, receive the data of multiple second cells from the UAV. Measurement report set.
  • the receiving unit 701 is configured to: if multiple second cells are measured within the second reporting period and the number of the second cells is greater than or equal to N, then when the expiration time of the second reporting period arrives, Receive measurement report sets of multiple second cells from the UAV.
  • the measurement configuration also includes a measurement threshold
  • the receiving unit 701 is also configured to when the drone measures multiple second cells, and at least one measurement value in the measurement reports of the multiple second cells is greater than the measurement threshold.
  • the measurement report sets of multiple second cells are received from the UAV, and the second cells all meet the event triggering conditions.
  • the set of measurement reports of the plurality of second cells includes measurement reports of the second cells among the plurality of second cells whose measurement values are greater than the measurement threshold.
  • the second cell includes the first cell.
  • the measurement report set includes measurement reports of each second cell except the first cell.
  • the receiving unit 701 is also configured to receive a measurement report of the third cell from the UAV when the flying height of the UAV is greater than a height threshold, and the measurement report of the third cell includes the flying height of the UAV. ;If the flight altitude is greater than the altitude threshold, call the The sending unit 702 performs the step of sending the measurement configuration to the drone.
  • the communication device 700 is a network device.
  • the receiving unit 701 is used to receive the measurement report of the third cell from the drone.
  • the measurement report of the third cell includes the flight height of the drone; the sending unit 702 is used to determine if the flight height is is greater than the altitude threshold, the first measurement configuration is sent to the UAV.
  • the receiving unit 701 is used to send a measurement request to the drone, and the measurement request is used to indicate reporting the flight altitude of the drone.
  • the processing unit 703 is configured to obtain the size of N based on the reporting frequency and/or the number of reporting times of measurement reports sent by the drone.
  • the sending unit 702 is used to send the second measurement configuration to the drone, and the second measurement configuration is suitable for the terminal device; the processing unit 703 is used to count the number of measurement reports sent by the drone within the third reporting time period.
  • the number of reports, the starting time of the third reporting duration is the reception time of the first measurement report reported by the drone after the second measurement configuration; the divisor between the number of reports and the third reporting duration is used as the drone to send the measurement Frequency of reporting.
  • the sending unit 702 is configured to send a third measurement configuration to the UAV, where the third measurement configuration includes an event triggering condition and a third triggering cell number; the processing unit 703 is configured to collect statistics within the fourth reporting time period.
  • the number of times the human-machine sends a measurement report set, the starting time of the fourth reporting duration is the reception time of the first measurement report reported by the drone after the third measurement configuration; the number of reporting times and the fourth reporting duration are The divisor serves as the reporting frequency for the drone to send measurement reports.
  • the processing unit 703 is configured to, if the reporting frequency is less than the frequency threshold, reduce the number of third triggering cells to obtain the size of N; or if the reporting frequency is greater than the frequency threshold, increase the number of third triggering cells, Obtain the size of N; or if the number of reports is less than the reporting threshold, reduce the number of third triggering cells to obtain the size of N; or if the number of reports is greater than the reporting threshold, increase the number of third triggering cells to obtain the size of N.
  • the fourth method is that the communication device 700 is a drone.
  • the sending unit 702 is used to send a measurement report of the third cell to the network device.
  • the measurement report of the third cell includes the flight height of the drone; the receiving unit 701 is used to determine the flight height. is greater than the altitude threshold, the first measurement configuration is sent to the UAV.
  • the receiving unit 701 is configured to receive a measurement request from a network device, where the measurement request is used to indicate reporting the flight height of the drone.
  • the sending unit 702 is configured to receive the second measurement configuration from the network device.
  • the sending unit 702 is configured to receive the third measurement configuration from the network device.
  • each unit may also correspond to the corresponding description with reference to the method embodiment shown in FIG. 3, FIG. 4, or FIG. 6.
  • the communication device 1000 may include one or more processors 1001.
  • the processors 1001 may also be called processing units and may implement corresponding control functions.
  • the processor 1001 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processor can be used to control communication devices (such as base stations, baseband chips, terminals, terminal chips, DU or CU, etc.), execute software programs, and process Software program data.
  • the processor 1001 may also store instructions 1003, and the instructions 1003 in the processor 1001 may be executed by the processor, so that the communication device 1000 executes the method described in the above method embodiment.
  • the processor 1001 may include a transceiver unit for implementing receiving and transmitting functions.
  • the transceiver unit may be a transceiver circuit, an interface, an interface circuit, or a communication interface.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the communication device 1000 may include a circuit, and the circuit may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the communication device 1000 may include one or more memories 1002, on which instructions 1004 in the memory 1002 may be stored, and the instructions may be executed on the processor, so that the communication device 1000 performs the steps described in the above method embodiments. method.
  • data may also be stored in the memory.
  • instructions and/or data may also be stored in the processor.
  • the processor and memory can be set up separately or integrated together. For example, the corresponding relationships described in the above method embodiments may be stored in the memory or in the processor.
  • the communication device 1000 may also include a transceiver 1005 and/or an antenna 1006.
  • the processor 1001 may be called a processing unit and controls the device 1000.
  • the transceiver 1005 may be called a transceiver unit, a transceiver, a transceiver circuit, a transceiver device or a transceiver module, etc., and is used to implement transceiver functions.
  • the communication device 1000 in the embodiment of the present application can be used to perform the method described in Figure 3, Figure 4 or Figure 6 in the embodiment of the present application.
  • the communication device 1000 may be a drone, or a device in the drone (for example, a chip, a chip system, or a circuit), or a device that can be used in conjunction with the drone.
  • the transceiver 1005 is used to perform the operations performed by the receiving unit 701 and the sending unit 702 in the above embodiment.
  • the transceiver 1005 is also used to send signals to other communication devices other than the communication device. send Message.
  • the above-mentioned drone can also be used to perform various methods performed by the drone in the above-mentioned method embodiments in Figure 3, Figure 4 or Figure 6, which will not be described again.
  • the communication device 1000 may be a network device, a device in the network device (for example, a chip, a chip system, or a circuit), or a device that can be used in conjunction with the network device.
  • the transceiver 1005 is used to receive information from other communication devices other than the communication device.
  • the transceiver 1005 is also used to perform the execution of the sending unit 702 and the receiving unit 701 in the above embodiment. operation.
  • the above network device can also be used to perform various methods performed by the network device in the above method embodiments of Figure 3, Figure 4 or Figure 6, which will not be described again.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (Bipolar Junction Transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium
  • the communication device described in the above embodiments may be a network device or a drone, but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be limited by FIG. 8 .
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include a storage component for storing data and/or instructions;
  • ASIC mobile station modem
  • Embodiments of the present application also provide a computer-readable storage medium on which a computer program is stored.
  • the program is executed by a processor, the processes related to the UAV in the communication method provided by the above method embodiments can be implemented.
  • Embodiments of the present application also provide a computer-readable storage medium on which a computer program is stored.
  • the program is executed by a processor, the process related to the network device in the communication method provided by the above method embodiments can be implemented.
  • Embodiments of the present application also provide a computer program product that, when run on a computer or processor, causes the computer or processor to perform one or more steps in any of the above communication methods. If each component module of the above-mentioned equipment is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the embodiment of the present application also provides a first chip, including a processor and a memory.
  • the processor is used to call and run instructions stored in the memory, so that the device installed with the chip executes the steps in Figure 3, Figure 4 or Figure 6. method.
  • the embodiment of the present application also provides a second chip, including: an input interface, an output interface and a processing circuit.
  • the input interface, the output interface and the processing circuit are connected through internal connection paths.
  • the processing circuit is used to execute Figure 3, Figure 4 or Method in Figure 6.
  • the embodiment of the present application also provides a third chip, including: an input interface, an output interface, a processor, and optionally a memory.
  • the input interface, the output interface, the processor, and the memory are connected through internal connection paths to process
  • the processor is used to execute the code in the memory.
  • the processor is used to execute the method in Figure 3, Figure 4 or Figure 6.
  • Embodiments of the present application also provide a chip system, including at least one processor and a communication interface.
  • the communication interface and the at least one processor are interconnected through lines.
  • the at least one processor is used to run computer programs or instructions to execute the tasks including the above-mentioned Figures 3 and 3. 4 or some or all of the steps described in the method embodiment corresponding to Figure 6.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the embodiment of the present application also discloses a communication system, which includes a terminal device (unmanned aerial vehicle) and a network device.
  • a terminal device unmanned aerial vehicle
  • a network device for specific description, reference may be made to the communication method shown in Figure 3, Figure 4 or Figure 6.
  • the drone after the drone receives the measurement configuration of the network device, it reports the measurement report of the first measured cell that meets the event triggering conditions, which improves the timeliness of reporting the measurement report. .
  • the measurement report sets of multiple second cells can be reported to the network device, so that the network device can decide whether to perform reconfiguration or handover based on the measurement values of each second cell in the measurement report set, which is conducive to improving the accuracy and effectiveness of subsequent decision-making by the network device. sex.
  • the memory mentioned in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories.
  • the non-volatile memory can be a hard disk drive (HDD), a solid-state drive (SSD), a read-only memory (ROM), a programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically erasable programmable read-only memory (electrically EEPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • double data rate SDRAM double data rate SDRAM
  • DDR SDRAM double data rate SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • DR RAM direct memory bus random access memory
  • Memory is, but is not limited to, any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
  • the memory in the embodiment of the present application can also be a circuit or any other device capable of realizing a storage function, used to store program instructions and/or data.
  • processors mentioned in the embodiments of this application may be a central processing unit (CPU), or other general-purpose processor, digital signal processor (DSP), or application-specific integrated circuit (application specific integrated circuit, ASIC), off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component
  • the memory storage module
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • a unit described as a separate component may or may not be physically separate.
  • a component shown as a unit may or may not be a physical unit, that is, it may be located in one place, or it may be distributed to multiple network units. You can choose according to actual needs Select some or all of the units to achieve the purpose of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • Functions may be stored in a computer-readable storage medium when implemented in the form of software functional units and sold or used as independent products.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods of various embodiments of the application.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
  • the modules/units in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Dans les modes de réalisation, la présente demande concerne un procédé et un appareil de communication, ainsi qu'un support de stockage. Le procédé comprend les étapes suivantes : un véhicule aérien sans pilote reçoit une configuration de mesure d'un dispositif de réseau, la configuration de mesure comprenant un premier nombre N de cellules de déclenchement et une condition de déclenchement d'événement, N étant supérieur ou égal à 2 ; et lorsqu'une première cellule qui satisfait la condition de déclenchement d'événement est détectée, le véhicule aérien sans pilote envoie un rapport de mesure de la première cellule au dispositif de réseau. Au moyen de la présente demande, un véhicule aérien sans pilote peut effectuer un rapport d'une manière opportune, ce qui permet une amélioration de la précision et de l'efficacité d'une prise de décision ultérieure d'un dispositif de réseau.
PCT/CN2023/107195 2022-08-03 2023-07-13 Procédé et appareil de communication et support de stockage WO2024027478A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200137646A1 (en) * 2017-06-29 2020-04-30 Huawei Technologies Co., Ltd. Parameter configuration selection method, device, and system
US20210168670A1 (en) * 2018-04-17 2021-06-03 Ntt Docomo, Inc. User equipment and measurement report transmitting method
WO2021134455A1 (fr) * 2019-12-31 2021-07-08 华为技术有限公司 Procédé et appareil de mesure de gestion de ressources radio
CN113950097A (zh) * 2017-09-15 2022-01-18 北京小米移动软件有限公司 小区测量方法及装置

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US20200137646A1 (en) * 2017-06-29 2020-04-30 Huawei Technologies Co., Ltd. Parameter configuration selection method, device, and system
CN113950097A (zh) * 2017-09-15 2022-01-18 北京小米移动软件有限公司 小区测量方法及装置
US20210168670A1 (en) * 2018-04-17 2021-06-03 Ntt Docomo, Inc. User equipment and measurement report transmitting method
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